CBS Co-Operative Responds To New Mandatory Building Warranty & Insurance Reforms

Christchurch, New Zealand — Combined Building Suppliers Co-operative (CBS), representing more  than 2,000 small and medium-sized builders across New Zealand, acknowledges the Government’s  newly announced reforms requiring compulsory home building warranties and mandatory  professional indemnity (PI) insurance for key industry professionals under the upcoming changes  to the Building Act. 

CBS CEO Carl Taylor says the reforms represent a major structural shift for the sector and will lift  both accountability and consumer protections. 

“These changes are significant and, in principle, they move the industry toward a more balanced  and fair liability model. Homeowners deserve confidence that defects will be addressed, and  builders deserve a system where responsibility is clearly apportioned,” says Taylor. 

However, CBS has also raised a critical concern about how the reforms may be implemented. Risk of a New Insurance Monopoly 

Taylor warns that the reforms could unintentionally create another market monopoly, particularly  if only one or two large warranty or insurance providers become effectively mandated through  government registration. 

“We are concerned that this could simply replace one problem with another. If only a very small  number of providers are approved, it risks creating a monopoly or duopoly that would dictate  pricing and terms,” he says.

Not All Builders Belong to the Traditional Organisations 

Taylor also notes that the majority of New Zealand’s builders do not belong to organisations such  as Master Builders or Certified Builders, which currently dominate the warranty market. 

“Thousands of independent builders—many of whom are exceptionally high-quality operators— choose not to join these groups for various reasons. The new regime must ensure there are  accessible, competitive warranty options that don’t force builders into associations they don’t  wish to join,” he says. 

CBS is calling for open access, fair competition, and transparent criteria for warranty providers to  prevent a bottleneck in supply or price-setting behaviour that would ultimately hurt consumers,  builders, or both. 

Impact on Builder Operations and Client Costs 

CBS expects builders will need to adjust quoting, documentation, and quality-assurance processes  to meet stricter compliance obligations. While the article estimates current warranties cost  roughly 0.5% of the build price, Taylor warns that limited provider competition could push prices  higher. 

“Builders are already battling cost escalation across multiple fronts. If mandatory warranties are  introduced without competitive provider options, it becomes another financial strain on both  builders and homeowners,” says Taylor. 

CBS Position: Supportive of Reform, Cautious About Execution 

Taylor says CBS supports the intention behind the reform but stresses that implementation must  protect competition, support independent builders, and avoid creating new structural barriers. 

“We support the objective, but the Government must ensure these reforms don’t advantage  only a handful of organisations or providers. Any builder who meets the required standard  should have access to fair, affordable, independent warranty solutions,” he says. 

About CBS Co-operative 

Combined Building Suppliers Co-operative (CBS) is New Zealand’s largest independent building industry co-operative, representing more than 2,000 builders, tradespeople, and property  professionals nationwide. CBS negotiates trade-level pricing, rebates, and services across more  than 30 national supply partners, helping members build stronger, more resilient businesses.

© Scoop Media